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is made up of wood which is 1 cm thick. The outer dimensions of he). A boxis made up of wood5 cm x 4 cm x 7 cm. Find the volume of the wood used.The bottom of a tanl |
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Answer» Outer volume = 5*4*7=>140cm^3inner volume => (5-1-1)(4-1-1)(7-1-1)..(as it is to be subtracted from both sides)=>(5-2)(4-2)(7-2)=>3*2*5=>40cm^3therefore the volume of wood =>140-30=>110cm^3 |
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